I remember discovering that Viper had a special move, while fighting the boss of the game. It looked like I was hopelessly doomed to lose in another two seconds, but I took to the air, and came crashing down wreathed in flames for an epic turn around victory. It was such a turn-around, because we didn't believe there even were special moves in the game, so it was like a shift in reality. It was easily one of my best video game moments I've had